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wikipedia.org

https://pl.wikipedia.org

C78
Performance 90Accessibility 86SEO 85Best Practices 100

7 technologies detected · Last audited Apr 21, 2026

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Technology stack

Backend

PHP

Frontend

HSTS MediaWiki Open Graph RSS Redux jQuery

Frequently asked questions about wikipedia.org

What technology does wikipedia.org use?

wikipedia.org is built with HSTS, MediaWiki, Open Graph, RSS, and Redux.

Is wikipedia.org fast?

Yes — wikipedia.org scores 90/100 on Lighthouse mobile performance, in the top tier of audited sites.

Is wikipedia.org accessible?

Mostly — wikipedia.org scores 86/100 on Lighthouse accessibility, with a handful of automated issues to address.

What CMS does wikipedia.org use?

No CMS fingerprint was detected on wikipedia.org — it may use a static site generator or a custom application.

Where is wikipedia.org hosted?

Hosting provider for wikipedia.org could not be determined from the most recent audit.

Does wikipedia.org use HTTPS?

Yes — wikipedia.org serves traffic over HTTPS.

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5 audits

Apr 21, 2026 21:22 UTC Latest

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Worker: worker-amsterdam-nl-01

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Scores

Performance 90Accessibility 86Best Practices 100SEO 85PWA 0

Timing

LCP: 3.21 sFirst Contentful Paint: 1.20 sTTFB: 10 msTotal Time: 10 msCumulative Layout Shift: 0.000
Apr 21, 2026 18:49 UTC

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Worker: worker-madrid-spain-02

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Scores

Performance 100Accessibility 83Best Practices 100SEO 85PWA 0

Timing

LCP: 1.46 sFirst Contentful Paint: 1.21 sTTFB: 108 msTotal Time: 108 msCumulative Layout Shift: 0.000
Apr 21, 2026 18:46 UTC

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Worker: worker-madrid-spain-03

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Scores

Performance 99Accessibility 95Best Practices 100SEO 92PWA 0

Timing

LCP: 1.28 sFirst Contentful Paint: 1.11 sTTFB: 113 msTotal Time: 113 msCumulative Layout Shift: 0.000
Apr 8, 2026 08:51 UTC

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Worker: worker-newyork-us-01

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Scores

Performance 94Accessibility 95Best Practices 100SEO 100PWA 0

Timing

LCP: 2.50 sFirst Contentful Paint: 2.42 sTTFB: 27 msTotal Time: 27 msCumulative Layout Shift: 0.000
Apr 4, 2026 16:08 UTC

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Worker: worker-santaclara-us-01

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Scores

Performance 87Accessibility 95Best Practices 100SEO 100PWA 0

Timing

LCP: 1.80 sFirst Contentful Paint: 1.48 sTTFB: 20 msTotal Time: 24 msCumulative Layout Shift: 0.000

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